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Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Prevent the cow from getting an infection from the calve






2. Front feet and head first. (except for hogs and dogs)






3. Allows extension of penis without fibro-elastic penis






4. Parturition is controlled by...






5. Days which have increasing daylight hours

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6. 4-6 days






7. Milk ~305 days - dry 60 days prior to calving






8. To remove/separate testicles from animal's body before animal reaches puberty






9. (FSH) causes egg to mature in females






10. Male on one pin and female on other side






11. 336 days






12. Why does estrus happen before ovulation?






13. When are dairy cattle dehorned?






14. Provide nourishment for the developing sperm






15. 19-23 (21) days






16. S-shaped inside body - relaxes to be exposed for breeding. Disadvantges: muscles weaken with age - cannot always hold it in - exposed to harsh outside conditions or stepped on.

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17. Head - neck - mid-piece - tail. genetic material - has an enzyme covering that allows it to penetrate the egg






18. Duct through penis that carries sperm and urine






19. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market






20. Can survive ~7 days in cow. vast majority <48 hours






21. Luteolysis happens because of the ____________ hormone






22. 114 days






23. 1. sperm is not implanted in egg until hours after breeding. 2. fetal growth has not yet finished.






24. Animal which has been castrated after puberty






25. Larger the cow - more milk is produced; smaller the cow - less milk is produced






26. Largest dairy cow - largest udder - highly vascular - eat 40-50% dry matter (eat alot) - most total butterfat






27. Implies the amount of estrogen production






28. 265-285 days






29. Start of the reproductive tract for the female. located outside of the body






30. Cycle that lasts weeks (ovulation->hormone cycles->ovulation)






31. Duct through penis that carries sperm and urine






32. 30-38 hours after estrus cycle begins






33. Superior genes are _______ to multiply






34. 1-2 days






35. Depository for semen during insemination. where urine leaves the body






36. 147 days






37. Actual heat cycle (period)






38. When she is pregnant in her last trimester because she needs the energy to carry around and deliver the calf. and when the calf is born because the cow needs the fat to be deposit it into her milk for the calf's energy stores.






39. Male on one pin and female on other side






40. Reproduction. more offspring leads to more feed costs - but is offset by reproduction numbers






41. 147 days






42. 16-20 hours






43. When she is pregnant in her last trimester because she needs the energy to carry around and deliver the calf. and when the calf is born because the cow needs the fat to be deposit it into her milk for the calf's energy stores.






44. Sperm is produced here






45. 1. visual evaluation - 2. scrotal circumference - 3. penis and prepuce observation - 4. rectal palpation - 5. libido test - 6. semen evaluation






46. When are steers and heifers weaned from bottle feeding?






47. 16-20 hours






48. ~60 days before calving






49. 283 days






50. So when offspring are born - there is more food to be found for energy stores and fat deposits IN THE SPRING







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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